Finding the Fourth Proportional to 22,648.03, 31,253.24 and 12,577.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,648.03 : 31,253.24 = 12,577.12 : x
2. Step 2: Convert to fraction form
   22,648.03/31,253.24 = 12,577.12/x
3. Step 3: Cross multiply
   22,648.03x = 31,253.24 × 12,577.12
4. Step 4: Simplify right side
   22,648.03x = 393,075,530.72
5. Step 5: Solve for x
   x = 393,075,530.72/22,648.03
6. Step 6: Final answer
   x = 17,355.84